On: Stringman, an $800 open-source room scale gripper robot

[everforward]

I wonder if you could make it work vertically. It might ease the geometric challenges.

Naively, spraying targeted roundup from above or cutting a circle around the stem to kill roots kind of thing.

[hankbond → everforward]

Roundup is gross anywhere even in small amounts. If water and energy can be provided similarly to stringman, a heating element to deliver a small payload of boiling water usually suffices.